2026 Rivian R1S Dual Standard (22in): home charging cost in Colorado

In Colorado, home electricity runs 16.65¢/kWh — put a 2026 Rivian R1S Dual Standard (22in)'s EPA-rated 39.9 kWh/100mi against that and 100 miles costs $6.64, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 58.5% less than gas per mile, here specifically.

2026 Rivian R1S Dual Standard (22in): yearly cost in Colorado

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S Dual Standard (22in) charged at home in Colorado costs about $996/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,407 a year.

Filling up the 2026 Rivian R1S Dual Standard (22in), in dollars

A 2026 Rivian R1S Dual Standard (22in) needs roughly 107.7 kWh to reach its EPA-rated 270-mile range, which runs about $17.93 at 16.65¢/kWh in Colorado.

2026 Rivian R1S Dual Standard (22in) in Colorado, ranked

This combination ranks 11,997 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Dual Standard (22in) alone ranks 262 of 400 models for efficiency; Colorado alone ranks 30 of 51 states for electricity price.

Before you install a home charger in Colorado

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Line up a few Colorado electrician quotes for Level 2 install before you commit either way.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Colorado's 16.65¢/kWh rate ranks 30 of 51 states; the state rate guide lays out the full spread.